Add title option to set the browser tab title#263
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With several R processes each running a httpgd device, every browser
tab is titled "httpgd" and there is no way to tell which tab belongs
to which process.
hgd() gains a `title` argument (default `getOption("httpgd.title",
"httpgd")`) and a new exported function hgd_title() renames a running
device. The title is part of the server state: it is included in every
state JSON (/state, /plots, /remove, /clear and the WebSocket
broadcast), so connected clients pick up a rename immediately without
reloading the page. Title-only changes do not touch upid, so they
cannot trigger plot re-fetches. Clients connected to an older server
that sends no title keep the "httpgd" default, and older clients
ignore the extra JSON field, so both directions stay compatible.
Closes nx10#232
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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With several R processes each running a httpgd device, every browser tab is titled "httpgd" and there is no way to tell which tab belongs to which process.
hgd() gains a
titleargument (defaultgetOption("httpgd.title", "httpgd")) and a new exported function hgd_title() renames a running device. The title is part of the server state: it is included in every state JSON (/state, /plots, /remove, /clear and the WebSocket broadcast), so connected clients pick up a rename immediately without reloading the page. Title-only changes do not touch upid, so they cannot trigger plot re-fetches. Clients connected to an older server that sends no title keep the "httpgd" default, and older clients ignore the extra JSON field, so both directions stay compatible.Closes #232
This is useful to me because I often have multiple R sessions/processes, each with their own plot histories. I like to be able to confirm visually which tab is assigned to which R process immediately when looking at the browser tabs instead of inferring based on the plot contents.